1052143525 has 36 divisors (see below), whose sum is σ = 1396674372. Its totient is φ = 785998080.

The previous prime is 1052143501. The next prime is 1052143529. The reversal of 1052143525 is 5253412501.

It can be written as a sum of positive squares in 6 ways, for example, as 74080449 + 978063076 = 8607^2 + 31274^2 .

It is not a de Polignac number, because 1052143525 - 2⁷ = 1052143397 is a prime.

It is a super-2 number, since 2×1052143525² = 2214011994398851250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1052143493 and 1052143502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052143529) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 658027 + ... + 659623.

Almost surely, 2^1052143525 is an apocalyptic number.

It is an amenable number.

1052143525 is a deficient number, since it is larger than the sum of its proper divisors (344530847).

1052143525 is a wasteful number, since it uses less digits than its factorization.

1052143525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1052143525 is about 32436.7619376534. The cubic root of 1052143525 is about 1017.0875282843.

The spelling of 1052143525 in words is "one billion, fifty-two million, one hundred forty-three thousand, five hundred twenty-five".